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This patch does a few small cleanups: - use PER_CPU_NAME to generate the names of per-cpu variables - use lea to add the per_cpu offset in PER_CPU(), because it doesn't affect condition flags - add PER_CPU_VAR which allows direct access to pre-cpu variables with the %fs: prefix on SMP. Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com> Signed-off-by: Andi Kleen <ak@suse.de> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Andi Kleen <ak@suse.de>